Feature: 1. Robust Construction: Crafted from reinforced nylon PA material, the lock body boasts erosion resisting, insulation, and temperature tolerance (-50-177℃). Its sturdy design ensures durability and no deformation, suitable for various working conditions 2. Efficient and Accurate: This lockout device with built in locking cylinder is specifically designed for circuit breakers, providing a tight fit around the breaker handle or operating mechanism. This ensures accurate locking, thereby enhancing work efficiency 3. High Physical Security: Made of high strength materials and equipped with an internal locking cylinder, this circuit breaker lockout device offers robust physical guard against tampering and cutting, which enhances overall security and reliability 4. Key Management: Featuring a standard copper locking cylinder capable of 3000 unique key combinations and supplied with 800 sets of non interchangeable 0468E keys, the lock facilitates secondary management. The key retention feature prevents the key from being removed while the lock is engaged 5. Easy to Operate and Use: Effortless locking and unlocking with dedicated key ensure convenience and speed. Users can install the lock according to instructions, no need complex tools or skills. This lockout device is compatible with various miniature circuit breakers, catering to diverse security locking needs Specification: Item Type: Circuit Breaker Lock Material: Nylon PA Applicable Handle: Approx. ≤ 70mm / 2.8in Width, ≤ 22mm / 0.9in Thickness. Package List: 1 x Circuit Breaker Lock3 x Tagouts3 x Cable Ties2 x Keys